Ingo Arndt / Sword-billed hummingbird (Ensifera ensifera) male nectaring on Red floripontio (Brugmansia sanguinea) flower. Eastern Andean slope, Ecuador. October.

JIM CLARE / Black flowerpiercer (Diglossa humeralis) a nectar thief, piercing Angel's trumpet flower (Brugmansia sanguinea), Azuay, Andes, Ecuador.

JIM CLARE / Black flowerpiercer (Diglossa humeralis) a nectar thief, piercing Angel's trumpet flower (Brugmansia sanguinea) Azuay, Andes, Ecuador.

Ingo Arndt / Red Floripontio (Brugmansia sanguinea) hummingbird male feeding on Red Floripontio (Brugmansia sanguinea) flower nectar, Andes eastern slope, Ecuador

Ingo Arndt / Red Floripontio (Brugmansia sanguinea) hummingbird male feeding on Red Floripontio (Brugmansia sanguinea) flower nectar, Andes eastern slope, Ecuador

Michael & Patricia Fogden / Red Floripontio (Brugmansia sanguinea) flowers in temperate forest, Ecuador